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CSS General Ability Paper 2019 Q(6a) Solved | Moiz was Trying to Sleep

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Explanation

A person Moiz was trying to sleep but because of too much noise he couldn’t sleep well. There are three things who disturbing him.

  • Clock
  • Tab
  • Dog
  • Clock is ticking after every 5 sec
  • Tap was dipping after every 7 sec
  • Pet dog snored every 12 sec

He observed, all things happened at 12 a.m.

To Find

After how many seconds all three things happened together again = ?

Solution

The following things are being repeated after a certain time, as described below;

  •             Ticking of clock = 5 seconds
  •             Dipping of tap = 7 seconds
  •             Snoring of dog = 12 seconds

So,

Solution-Moiz-was-trying-to-sleep-at-one-night-bu--there-was-too-much-noise-around-him-His-clock-ticked-every-5-second-a-tap-was-dipping-every-7-second-and-a-pet-dog-snored-every-12-second.

Now,

2 x 2 x 3 x 5 x 7 = 420 seconds

Conclusion

So all three things would be happened once again after 420 seconds.

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